US Solo Travel Market Size, Share, Growth Analysis By Type (Leisure & Vacation Travel, Safari and Wildlife Travel, Eco Travel, Business Travel, Adventure and Extreme Travel, Others), By Traveler Type (Domestic, International), By Age Group (25-40 Years, 41-56 Years, 57 Years and Above, 18-24 Years), By Gender (Female, Male), By Booking Mode (Online Travel Agents and Agencies (OTAs), Marketplace Booking, Direct Booking), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Statistics, Trends and Forecast 2025-2034